many things

config.py

@@ -15,5 +15,14 @@ start_msg="started at <ADDR>"
 conn_msg="conn from <ADDR>"
 get_msg="<ADDR> got <FILE>"
 
-e404_file="404.html"
-e404_msg="<ADDR> err 404 <FILE>"
+err_files = {
+    404: "html/404.html",
+    403: "html/403.html",
+    418: "html/418.html"
+}
+
+err_msgs = {
+    404: "<ADDR> err 404 <FILE>",
+    403: "<ADDR> err 403 <FILE>",
+    418: "<ADDR> err 418 (teapot) <FILE>"
+}